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Finding the Fourth Proportional to 9,069.94, 13,609.10 and 4,141.09

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Solution

The fourth proportional to 9,069.94, 13,609.10 and 4,141.09 is: 6,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069.94 : 13,609.10 = 4,141.09 : x
  2. Step 2: Convert to fraction form
    9,069.94/13,609.10 = 4,141.09/x
  3. Step 3: Cross multiply
    9,069.94x = 13,609.10 × 4,141.09
  4. Step 4: Simplify right side
    9,069.94x = 56,356,507.92
  5. Step 5: Solve for x
    x = 56,356,507.92/9,069.94
  6. Step 6: Final answer
    x = 6,213.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.